Answer:!
16(calculator)
Step-by-step explanation:
Step 1:2 + 5 - 3 × 7 + 15 × 2
Step 2:7-21+30
Step 3:7+9
Answer:16
Steps 2 and 3 might be confusing if you have not been introduced to negative numbers.However in step two 21 is considered as -21 which is equivalent to -21+ 30. That is where the nine comes from if you wondered.You might also check out the PEMDAS rule that deals with this sorts of problems.
